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  2. ISO 13567 - Wikipedia

    en.wikipedia.org/wiki/ISO_13567

    Agent responsible (clause 6.1) (2 characters, indicating the person or organisation responsible for the layer information—manufacturer, A- architect A2 architect#2 on the same project B- building surveyors C- civil engineers E- electrical engineers F- facility engineers G- GIS engineers and land surveyors H- heating and ventilating engineers I- interior designers L- landscape architects Q ...

  3. Quadtree - Wikipedia

    en.wikipedia.org/wiki/Quadtree

    A tree-pyramid (T-pyramid) is a "complete" tree; every node of the T-pyramid has four child nodes except leaf nodes; all leaves are on the same level, the level that corresponds to individual pixels in the image.

  4. Geometric Description Language - Wikipedia

    en.wikipedia.org/wiki/Geometric_Description_Language

    These objects are similar to blocks in AutoCAD, but unlike blocks, these are parametric, and the 2D and 3D features are connected, so in any view one can get the correct visualization (for example a side view on the section, top view on plan, and perspective in the 3D view).

  5. Architectural drawing - Wikipedia

    en.wikipedia.org/wiki/Architectural_drawing

    An architectural drawing or architect's drawing is a technical drawing of a building (or building project) that falls within the definition of architecture.Architectural drawings are used by architects and others for a number of purposes: to develop a design idea into a coherent proposal, to communicate ideas and concepts, to convince clients of the merits of a design, to assist a building ...

  6. Constructive solid geometry - Wikipedia

    en.wikipedia.org/wiki/Constructive_solid_geometry

    CSG objects can be represented by binary trees, where leaves represent primitives, and nodes represent operations. In this figure, the nodes are labeled ∩ for intersection, ∪ for union, and — for difference. Constructive solid geometry (CSG; formerly called computational binary solid geometry) is a technique used in solid modeling.

  7. Computer-aided design - Wikipedia

    en.wikipedia.org/wiki/Computer-aided_design

    A 2D CAD drawing A 3D CAD model. Computer-aided design (CAD) is the use of computers (or workstations) to aid in the creation, modification, analysis, or optimization of a design.

  8. AutoLISP - Wikipedia

    en.wikipedia.org/wiki/AutoLISP

    AutoLISP is a small, dynamically scoped, dynamically typed Lisp language dialect with garbage collection, immutable list structure, and settable symbols, lacking in such regular Lisp features as macro system, records definition facilities, arrays, functions with variable number of arguments or let bindings.

  9. k-d tree - Wikipedia

    en.wikipedia.org/wiki/K-d_tree

    In computer science, a k-d tree (short for k-dimensional tree) is a space-partitioning data structure for organizing points in a k-dimensional space. K-dimensional is that which concerns exactly k orthogonal axes or a space of any number of dimensions. [1] k-d trees are a useful data structure for several applications, such as: